/*
 * Flashlib - QB9 common Flash library
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package com.qb9.flashlib.fsm
{
	import com.qb9.flashlib.tasks.TaskEvent;
	import flash.events.Event;

	internal class TimeTransition extends BaseTransition
	{
		public var milliseconds:uint;

		public function TimeTransition(state:State, milliseconds:uint)
		{
			super(state);
			this.milliseconds = milliseconds;
		}

		public override function get id():String
		{
			return 'time-' + milliseconds;
		}

		protected override function get eventType():String
		{
			return TaskEvent.UPDATE;
		}

		protected override function handleEvent(event:Event):void
		{
			var prev:uint = state.elapsed - (event as TaskEvent).data.milliseconds;
			if (prev < this.milliseconds && state.elapsed >= this.milliseconds)
				super.handleEvent(event);
		}
	}
}
